5 Pc Blue Anodized Aluminium Valve Cover Washer Kit For D-Series Honda Civic This is a set of 5 washers, 5 bolts, 5 rubber gaskets, and 5 fiber gaskets. Will fit most any D series engine. Longer bolts are 39.36mm x 11.45mm. Shorter bolts are 24.70mm x 11.60mm. Washer diameter is 20.60mm (.81")